A precedent has been set by the Java API to the DOM, which includes Javadoc
comments based on the spec...
One point to remember: Facts can't be copyrighted, only a particular
representation of those facts. So even if there _was_ a copyright issue --
and I'd be shocked if W3C objected to people quoting the spec to document
an implementation of it! -- this could be trivially worked around by simply
rewriting the description in your own words.
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Joe Kesselman / IBM Research
Unless stated otherwise, all opinions are solely those of the author.